setup: search for include paths that start with ' /'

* modify _get_additional_includes() to only return paths that start
  with ' /'.  Fixes issue on OSX clang.

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 1d0ed19..5fe1620 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ def _get_additional_includes():
                            stderr=subprocess.PIPE)
     _, err = pid.communicate()
     err = [line.lstrip() for line in err.decode('utf8').split('\n')
-           if line and line[0] == ' ']
+           if line and line.startswith(' /')]
     log.debug('additional includes:\n%s', err)
     return err